Optical microcombs represent a new paradigm for generating laser frequency combs based
on compact chip-scale devices, which have underpinned many modern technological …

Lithium niobate (LN), an outstanding and versatile material, has influenced our daily life for
decades—from enabling high-speed optical communications that form the backbone of the …

BACKGROUND The generation and control of coherent electromagnetic waves, such as
those provided by electronic oscillators in the radio frequency domain or lasers in the optical …

Optical frequency combs were developed nearly two decades ago to support the world's
most precise atomic clocks. Acting as precision optical synthesizers, frequency combs …

Twin-field (TF) quantum key distribution (QKD) promises high key rates over long distances
to beat the rate-distance limit. Here, applying the sending-or-not-sending TF QKD protocol …

The quest towards the integration of ultra-fast, high-precision optical clocks is reflected in the
large number of high-impact papers on the topic published in the last few years. This interest …

Lithium niobate on insulator (LNOI) technology is revolutionizing the lithium niobate industry,
enabling higher performance, lower cost and entirely new devices and applications. The …

Over the past decade, optical frequency combs generated by high-Q microresonators, or
optical microcombs, which feature compact device footprints, low power consumption, and …

Measurement of optical and vibrational spectra with high resolution provides a way to
identify chemical species in cluttered environments and is of general importance in many …

Optical neural networks (ONNs), or optical neuromorphic hardware accelerators, have the
potential to dramatically enhance the computing power and energy efficiency of mainstream …